UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kylFXu5p1PF6WuNhdwj7+cj8dmegn55FWLx2DH6vvdk=' 
WHERE 
  key_id = '8cc70517dfe8ee422cdfc873e46ef2e10af9036d031f428da628305a1c5a4455' 
  AND (
    token = 'kylFXu5p1PF6WuNhdwj7+cj8dmegn55FWLx2DH6vvdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )